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Basement support

A technology for basement and support piles, applied in sheet pile walls, excavation, wine cellars, etc., can solve the problems of delay in construction period, impact of earthwork transportation, increase of basement support costs, etc., and achieve low construction cost and short construction period Effect

Active Publication Date: 2017-08-04
德州双航包装制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional basement support technology is that the basement support is equipped with concrete counter-braces to maintain the stability of the basement support, but the concrete support will greatly increase the cost of the basement support, and also have a great impact on the earthwork transportation, thus delaying the construction period

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0054] The support structure of the basement in the first working condition is as follows:

[0055]The support pile 1 adopts bored cast-in-situ piles, and the diameter of the bored cast-in-place piles is 600-900 mm. A water-stop curtain 4 is set 1.5-2m away from the center point of the support pile 1. The water-stop curtain 4 adopts a three-axis cement mixing pile, and the pile diameter of the three-axis cement mixing pile is 600mm or 500mm. Bite, the bite distance is 200mm or 150mm. The first steel waist beam 2 is set on the upper part of the inner side of the support pile 1. The top elevation of the first steel waist beam 2 is the same as the top elevation of the support pile 1. The first steel waist beam 2 and the pre-embedded steel bars of the support pile 1 Welded connection, the prestressed anchor cable 3 is anchored to the first steel waist beam 2, and the steel backing plate 7 is placed on the engineering pile 8 at the excavation depth of 1.5-2.5m. There are 2 enginee...

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Abstract

The invention discloses a basement support. The basement support is characterized in that a basement support structure under the first work condition is shown in the following aspects that drilling grouting piles are adopted as support piles, three-axis cement mixing piles are adopted in a water stop curtain, first steel waist beams are arranged at the upper portions of the support piles in the inner side direction, pre-stress anchor cables are anchored to the first steel waist beams, the width of a strengthening area of a basement passive area is in the range of 1 m within the tangent lines of the outer edges of the support piles, and the depth of the strengthening area is 1.5 m-2 m below a basement base; and a first steel support is arranged between each steel waist beam and a corresponding steel cushion plate; and a basement support structure under the second work condition is shown in the following aspects that second steel waist beams are arranged at the middle portions of the support piles in the inner side direction, second pre-stress anchor cables are anchored to the second steel waist beams, steel cushion plates are arranged on project piles, a second steel support is arranged between each steel cushion plate and the corresponding steel waist beam, and a second steel support is arranged between each steel cushion plate and the corresponding steel waist beam.

Description

technical field [0001] The invention relates to a basement support, in particular to a basement support without concrete counter-supports. Background technique [0002] The traditional basement support technology is that the basement support is equipped with concrete counter-braces to maintain the stability of the basement support, but the concrete support will greatly increase the cost of the basement support, and also have a great impact on the earthwork transportation, thus delaying the construction period . If the stress in the basement support process is adjusted, transferred and redistributed in a safe and orderly manner, the basement support can obviously achieve significant economic and construction period benefits without internal support. But how to avoid the safety problem without concrete support in the process of basement support construction is a problem faced by engineers. Contents of the invention [0003] The invention provides a basement support to solv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D5/18E02D5/46
CPCE02D5/18E02D5/46E02D5/76E02D15/02E02D17/02E02D17/04E02D19/18E02D2250/0023E02D2300/002E02D2300/0021E04B1/0007
Inventor 朱奎
Owner 德州双航包装制品有限公司
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